Bird-Habitat Relationships and the Effects of Spring Versus Fall Prescribed Burning on Forest Birds in the Blue Mountains, Northeastern Oregon

Publication Date

7-2005

Type of Culminating Activity

Thesis

Degree Title

Master of Science in Biology

Department

Biology

Supervisory Committee Chair

Rex Sallabanks

Abstract

Wildlife biologists and forest managers are responsible for maintaining viable wildlife populations, including those of nongame forest birds, across forested landscapes subject to a diverse array of silvicultural treatments. To effectively maintain wildlife populations, however, we first need information on basic bird-habitat relationships. Once we have described bird-habitat relationships for a given habitat, we can then investigate and interpret the effects of silvicultural treatments, in the context of the previously described bird-habitat relationships, to understand the effects of such treatments. Yet, information on basic bird-habitat relationships is lacking for many habitats, such as ponderosa pine (Pinus ponderosa) forest and woodlands (PPFW), an important habitat for forest birds in the Intermountain West (Sallabanks et al. 2001a). Moreover, there is little available information on the effects of many treatments (e.g., green-tree harvest, prescribed bums. mechanical thinning, salvage logging) on nongame forest birds Marzluff et al. 2000; Sallabanks et al. 2000; Tiedemann et al. 2000; Sallabanks et al. 2001a, 2001b; Gram et al. 2003).

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